Final answer:
The Thermidorian Reaction was a period of extreme violence during the French Revolution that followed the Reign of Terror. It marked a turning point in the revolution, leading to the execution of Robespierre and the end of the radical phase.
Step-by-step explanation:
The Thermidorian Reaction (1793-1794) was a period during the French Revolution characterized by extreme violence and the execution of numerous enemies of the revolutionary government. This reaction occurred after the Reign of Terror, which was a time of violent repression led by Maximilien de Robespierre and the Committee of Public Safety. The Thermidorian Reaction marked a turning point in the Revolution, leading to the execution of Robespierre and the end of the radical phase of the revolution.